Subtracting Positive and Negative Numbers – GeoGebra

Positive and Negative Numbers – GeoGebra

Number line for adding and subtracting – GeoGebra

Modeling Negatives with Chips

Adding and subtracting integers – GeoGebra

App for Addition and Subtraction of Integers. - Document - Gale Academic OneFile

Adding Integer Chips – GeoGebra

Adding Negatives – GeoGebra

Quiz: Adding and Subtracting Integers – GeoGebra

Why Does Negative ÷ Negative = Positive?

free PDF download - teaching integer addition and subtraction (inquiry-style)

Adding and subtracting a negative integer – GeoGebra

Teaching Adding & Subtracting Integers

Learn Subtraction - GeoGebra Math Resources

Number Mathematics, Learning and Technology